CTS vs PLXS: Correlation
How closely do CTS Corporation (CTS) and Plexus Corp. (PLXS) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTS and PLXS?
On 3 years of weekly data the CTS/PLXS correlation comes out at 0.62, strong. The relationship has been stable: the 1-year correlation (0.60) sits close to the 3-year figure. The 5-year figure is 0.57, and annualized covariance runs at 684.0 %².
By 3-year correlation, PLXS places #12 of the 26 assets tracked against CTS. The last year tells two different stories: PLXS led by 41.3 percentage points, +35.8% for CTS against +77.1% for PLXS.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
CTS vs PLXS: side by side
| CTS (CTS Corporation) | PLXS (Plexus Corp.) | |
|---|---|---|
| 1-year return | +35.8% | +77.1% |
| 5-year return | +63.4% | +165.9% |
| Volatility (ann.) | 33.0% | 33.3% |
| Beta vs S&P 500 | 1.40 | 1.03 |
| Max drawdown (3Y) | -40.6% | -34.9% |
| Market cap | $1.6B | $6.5B |
| P/E (trailing) | 23.8 | 36.1 |
| Dividend yield | 0.28% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTS | PLXS |
|---|---|---|
| 2022 | +7.8% | +7.3% |
| 2023 | +11.4% | +5.1% |
| 2024 | +20.9% | +44.7% |
| 2025 | -18.4% | -6.1% |
| 2026 | +34.7% | +67.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTS and PLXS good diversifiers for each other?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CTS and PLXS?
As of 2026-08-27, the correlation of weekly returns between CTS and PLXS is 0.62 over 3 years, 0.60 over 1 year and 0.57 over 5 years.
Is PLXS a good diversifier for CTS?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.62 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cts-vs-plxs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cts-vs-plxs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CTS correlations · PLXS correlations
